60 degrees.
150 degrees
It depends on where and what ABC and DEF are!
83
180 degrees.
To have a congruent angle, the measure of the two angle must be the same, so if ABC is 15 degrees, then FDE would have to be 15 degrees also to be congruent.
60 degrees.
ABC
abc
150 degrees
110 degrees
ABC is the same doesnt matter in which country it is written.
The sum of the two angles is 360. So angle ABC = 120 degrees.
The measurement of angle ABD is 73 degrees. You find this angle by subtracting angle DBC from angle ABC, or 89-16 is equal to 73 degrees.
It depends on where and what ABC and DEF are!
It depends on what x is.
83